| 相切圆形成的圆锥曲线 |
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| 引用本文： | 蒋军军.相切圆形成的圆锥曲线[J].中国教育发展研究杂志,2007,4(12):101-102. |
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| 作者姓名： | 蒋军军 |
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| 作者单位： | 甘肃省兰州师范学校,兰州730070 |
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| 摘 要： | 文章根据解析几何中圆锥曲线形成的一些共同特点以及和圆之间的相互关系，提出不同形式、不同限制条件下的圆相切会产生相应的圆锥曲线，并指出相切圆产生的圆锥曲线具有可操作性强、几何特点简单直观等特点。
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| 关 键 词： | 内切 外切 距离 焦点 轨迹 |
The conic section formed by a tangent circle |
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| JiangJunjun.The conic section formed by a tangent circle[J].The Research Journal Of China Educational Development,2007,4(12):101-102. |
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| Authors: | JiangJunjun |
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| Abstract: | According to the analysis on the common character of the formation of the conic section and the correlation with the circle, the author has brought forward that the tangent circle with different form and different limited condition can form the corresponding conic section and also pointed out that the conic section formed by a tangent circle has the strong maneuverability and simple, direct geometrical character. |
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| Keywords: | Internally tangent Externally tangent Distance Focus Locus |
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